Communication system utilizing a constellation of satellites and method therefor
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United States of America Patent
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Jun 1, 2004
Grant Date -
Aug 1, 2002
app pub date -
Jan 29, 2001
filing date -
Jan 29, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A communication system (20) utilizing a constellation (22) of satellites (24) is presented. A source ground station (52) transmits an uplink signal (34) containing source payload data (32) to a primary satellite (26) located in an orbit (70) about the Earth (56). The primary satellite (26) conveys the source payload data (32) to a secondary satellite (28) located proximate the primary satellite (26) in the orbit (70), where the source payload data (32) is baseband processed to produce destination payload data (42), which is then conveyed back to the primary satellite (26). The primary satellite (26) transmits a downlink signal (50) containing the destination payload data (42) to a destination ground station (54). The primary satellite (26) and secondary satellites are configured to expend majorities of their energy budgets in downlink transmissions and payload data processing, respectively.
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